Rosberg heads Alonso in last test

Mercedes driver Nico Rosberg set the fastest time of the winter on the last day of the final pre-season test. The German followed up team-mate Lewis Hamilton's impressive performance on Saturday by lopping more than 0.4 seconds off the Englishman's time. Ferrari's Fernando Alonso also beat Hamilton's mark in setting the second fastest time of the winter, 0.364 secs behind Rosberg. McLaren's Jenson Button was third ahead of Sauber's Nico Hulkenberg. Continue readinghe main story “What we can say is that we have definitely made progress” Nico Rosberg The four pace-setting times were all set on a fascinating morning that saw Rosberg and Alonso trading places at the top of the time sheets until Rosberg settled the issue with a one minute 20.130 second lap. Rosberg said: "As we all know you need to be very careful with testing because we don't know what everyone is doing and we know for a fact that our competitors have not shown their potential, for sure. "What we can say is that we have definitely made progress. I'm pleased with the way the winter has gone. So 'pleased' is probably the best word, but we need to wait and see." Of the front-runners, only Lotus's Kimi Raikkonen improved in the afternoon - he had missed all but a few minutes of the morning session while the team fixed a gearbox problem. "The winter could have been better for us and we had some more difficulties today but hopefully we will be up there at the first race," said Raikkonen. "The reliability has not been the best but the issues we have had have been quite minor." Raikkonen ended the day fifth fastest, ahead of Force India's Paul di Resta, Williams's Pastor Maldonado, world champion Sebastian Vettel's Red Bull and the second Williams of Valtteri Bottas.